Exercise collar for weightlifting



FIG. 1 is a perspective view of an exercise collar for weightlifting, showing my new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines shown in the Figures depict environment and form no part of the claimed design. 

CLAIM The ornamental design for an exercise collar for weightlifting, as shown and described. 